I just found three pictures of a Bf 109 G-10 which performs a RATO assisted take-off; they are currently for sale on Ebay:
http://www.ebay.com/itm/WW2-German-L...#ht_500wt_1144
Here for the sake of a lasting link:
http://www.flickr.com/photos/2809206...in/photostream
http://www.flickr.com/photos/2809206...in/photostream
http://www.flickr.com/photos/2809206...in/photostream
Any idea as to where and when? Quite a fascinating insight in late war Bf 109 trials I've never seen published so far...
Cheers
Marc